Finding the Fourth Proportional to 135,154,349.66, 186,542,175.52 and 82,248,103.44
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Solution
The fourth proportional to 135,154,349.66, 186,542,175.52 and 82,248,103.44 is: 113,520,135.95
Step by Step Solution
- Step 1: Write the proportion equation
135,154,349.66 : 186,542,175.52 = 82,248,103.44 : x - Step 2: Convert to fraction form
135,154,349.66/186,542,175.52 = 82,248,103.44/x - Step 3: Cross multiply
135,154,349.66x = 186,542,175.52 × 82,248,103.44 - Step 4: Simplify right side
135,154,349.66x = 15,342,740,148,091,596 - Step 5: Solve for x
x = 15,342,740,148,091,596/135,154,349.66 - Step 6: Final answer
x = 113,520,135.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.